Csah 23 over Little Tamarack River

Carlton County, Minnesota · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

• Csah 23 over Little Tamarack River in Carlton County, Minnesota, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
• It was built in 1962, making it 63 years old at the 2025 inventory.
• It carries about 136 vehicles a day (traffic count year 2022).
• Its listed owner is the county highway agency.
• It is one of 72 of the 148 inventoried bridges in Carlton County rated good (48.6%); 13 (8.8%) are rated poor.
• Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
• Its condition class and component ratings are unchanged from the 2024 inventory.
• Its most recent inspection on record is dated July 2024, on a 24-month routine inspection cycle.
• A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

View this bridge on a map → (46.73088, -92.99971)

Component ratings

Bridge details

Source: FHWA National Bridge Inventory, 2025 data as reported by the Minnesota department of transportation.

Busiest bridges in Carlton County

All bridges nearby: Carlton County, MN bridge conditions · every bridge in Carlton County · Minnesota bridges.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.